NULL pointer dereference in Xen - CVE-2013-4369
Published: October 18, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32628
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4369
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration. CWE-476: NULL Pointer Dereference Per http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Xen
xen (Alpine package)
xen (Alpine package)
How to mitigate CVE-2013-4369
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
xen (Alpine package) - update to 4.3.0-r8